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Bethkis Dosage

The prescribed dose of Bethkis is the same for everyone -- one ampule inhaled twice a day for 28 days. After this treatment cycle, you will have a 28-day break from the medication before starting your next cycle. Your healthcare provider will determine how many cycles you need. The medicine is inhaled using a nebulizer and an air compressor that turns the liquid into a mist.


An Introduction to Dosing With Bethkis

There is only one standard recommended dose of Bethkis® (tobramycin inhalation solution), regardless of your age or weight. As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.

What Is the Recommended Bethkis Dosage?

The usual recommended dose of Bethkis is one single-use ampule twice a day for 28 days, followed by a 28-day break when no drug is used. After the 28-day break, you will repeat the cycle of 28 days on the drug followed by 28 days off of it. You should use the medicine for the entire 28 days, even if you are feeling better.
It is unknown at this point if Bethkis is safe and effective if used for more than three cycles. Your healthcare provider will determine how many cycles you need.
Bethkis is inhaled using a nebulizer. A nebulizer is a machine that takes a small amount of liquid and turns it into a mist that can be inhaled into the lungs. You should continue inhaling your dose until you hear sputtering from the output of the nebulizer for at least one minute. It will take approximately 15 minutes to complete your dose.
You healthcare provider will teach you how to use the nebulizer. You will also receive written instructions every time you fill your prescription. Make sure to ask questions if anything is unclear.

General Information on Using This Medication

Some considerations to keep in mind during treatment with Bethkis include the following:
  • Bethkis comes in a liquid form that is inhaled using a nebulizer. It is usually taken by mouth twice a day, in the morning and the evening.
  • Try to take your doses at about the same times each day, as close to 12 hours apart as possible. Do not take the doses less than six hours apart.
  • You will need a nebulizer and an air compressor to use this medicine. Make sure you understand exactly how to use and care for these devices.  
  • If you are using other inhaled medicines, you should use them before Bethkis.
  • Do not use this medicine if it is cloudy or contains particles.
  • This medicine comes with an information sheet explaining exactly how to use it. Make sure you read the information and completely understand the instructions before beginning treatment.  
  • For Bethkis to work properly, it must be used as prescribed. It is very important that you closely follow the instructions for taking this medication.
  • If you are unsure about anything related to your Bethkis dosage, please talk with your healthcare provider, nurse, or pharmacist.

Bethkis Medication Information

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